“Most obsidians are naturally gray or black,” Matadamas-Gomora said in an email. “Green obsidian from Sierra de Pachuca is unique and related to this specific geological source. The Aztecs ...

Researchers have discovered 42 obsidian ritual stones in the ancient ... a shadow on itself that aligns with a carving of the head of the Mayan serpent god. The shadow makes the serpent's body ...

Two new trace element analyses have taken a fresh look at obsidian mirrors crafted by Inca and Aztec artisans ... is to step into a world of inky black reflections that seems to never end.

The Aztec Empire once hosted an expansive trade network that brought volcanic glass to its capital from right across Mesoamerica, from coast to coast. The largest compositional study of obsidian ...

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